Lobsters have blue blood.
476
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Your heart will pump about 212 million liters in its lifetime.
26
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Your body is creating and killing about 2.4 million red blood cells per second.
17
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Mosquitoes don't just bite you, they also pee on you.
11